You've seen a bestiary, now meet the BOSSTIARY!

Open the Big Book of Big Bads to discover the biggest, baddest boss monsters for 5e. Build a campaign or run a one-shot around these thrilling villains!

Each Big Bad has an exciting backstory, a roleplay & tactics guide, and everything you need to make them the Big Bad of your game.

• 31 Big Bads of CR 5 to 30
• 30 minions ready to back up their bosses
• 33 thematic magic items
• Campaign frames linking multiple Big Bads into epic adventures for your party
• A guide to the Big Bad Bureau, an organization for player characters that adds feats, ranks, NPCs, magic items & a new way to play as the balancers of good & evil!